<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<%@taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<!DOCTYPE html>
<html lang="en">
<head>
    <title></title>
    <style>

    </style>
</head>
<body>
<form action="/GetClassTable" method="post">
    <input type="text" value="${id}" name="id">
    <input type="text" placeholder="输入sessionId" name="sid" value="${sid}">
    <input type="text" placeholder="输入一次性验证码" name="captcha" value="${captcha}">
    <%--<c:if test="${flag == true}">--%>
        <img src="http://218.65.5.214:2001/jwweb/sys/ValidateCode.aspx" />
    <%--</c:if>--%>
    <input type="submit" value="查询">
</form>

<br>
<br>
<script src="js/jquery-3.2.1.min.js"></script>
<script>
    $("input[name=captcha]").focus();
</script>
</body>
